mirror of https://github.com/FFmpeg/FFmpeg.git
Ronald S. Bultje
12 years ago
committed by
Michael Niedermayer
parent
1f27053b91
commit
9628e5a4ac
7 changed files with 434 additions and 6 deletions
@ -0,0 +1,65 @@ |
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/*
|
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* Half-pel DSP functions. |
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* Copyright (c) 2000, 2001 Fabrice Bellard |
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/**
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* @file |
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* Half-pel DSP functions. |
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*/ |
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#include "libavutil/attributes.h" |
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#include "hpeldsp.h" |
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#define BIT_DEPTH 8 |
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#include "hpeldsp_template.c" |
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av_cold void ff_hpeldsp_init(HpelDSPContext* c, int flags) |
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{ |
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#define hpel_funcs(prefix, idx, num) \ |
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c->prefix ## _pixels_tab idx [0] = prefix ## _pixels ## num ## _8_c; \
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c->prefix ## _pixels_tab idx [1] = prefix ## _pixels ## num ## _x2_8_c; \
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c->prefix ## _pixels_tab idx [2] = prefix ## _pixels ## num ## _y2_8_c; \
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c->prefix ## _pixels_tab idx [3] = prefix ## _pixels ## num ## _xy2_8_c |
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hpel_funcs(put, [0], 16); |
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hpel_funcs(put, [1], 8); |
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hpel_funcs(put, [2], 4); |
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hpel_funcs(put, [3], 2); |
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hpel_funcs(put_no_rnd, [0], 16); |
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hpel_funcs(put_no_rnd, [1], 8); |
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hpel_funcs(avg, [0], 16); |
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hpel_funcs(avg, [1], 8); |
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hpel_funcs(avg, [2], 4); |
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hpel_funcs(avg, [3], 2); |
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hpel_funcs(avg_no_rnd,, 16); |
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#if 0 |
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if (ARCH_X86) ff_hpeldsp_init_x86 (c, flags); |
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if (ARCH_ARM) ff_hpeldsp_init_arm (c, flags); |
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if (HAVE_VIS) ff_hpeldsp_init_vis (c, flags); |
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if (ARCH_ALPHA) ff_hpeldsp_init_alpha (c, flags); |
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if (ARCH_PPC) ff_hpeldsp_init_ppc (c, flags); |
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if (ARCH_SH4) ff_hpeldsp_init_sh4 (c, flags); |
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if (ARCH_BFIN) ff_hpeldsp_init_bfin (c, flags); |
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#endif |
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} |
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@ -0,0 +1,105 @@ |
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/*
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* Half-pel DSP functions. |
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/**
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* @file |
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* Half-pel DSP functions. |
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*/ |
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#ifndef AVCODEC_HPELDSP_H |
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#define AVCODEC_HPELDSP_H |
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#include <stdint.h> |
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#include <stddef.h> |
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/* add and put pixel (decoding) */ |
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// blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16
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// h for op_pixels_func is limited to {width/2, width} but never larger
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// than 16 and never smaller than 4
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typedef void (*hpel_pixels_func)(uint8_t *block /*align width (8 or 16)*/, |
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const uint8_t *pixels /*align 1*/, |
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ptrdiff_t line_size, int h); |
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/**
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* Half-pel DSP context. |
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*/ |
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typedef struct HpelDSPContext { |
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/**
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* Halfpel motion compensation with rounding (a+b+1)>>1. |
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* this is an array[4][4] of motion compensation functions for 4 |
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* horizontal blocksizes (8,16) and the 4 halfpel positions<br> |
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* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] |
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* @param block destination where the result is stored |
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* @param pixels source |
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* @param line_size number of bytes in a horizontal line of block |
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* @param h height |
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*/ |
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hpel_pixels_func put_pixels_tab[4][4]; |
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/**
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* Halfpel motion compensation with rounding (a+b+1)>>1. |
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* This is an array[4][4] of motion compensation functions for 4 |
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* horizontal blocksizes (8,16) and the 4 halfpel positions<br> |
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* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] |
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* @param block destination into which the result is averaged (a+b+1)>>1 |
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* @param pixels source |
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* @param line_size number of bytes in a horizontal line of block |
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* @param h height |
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*/ |
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hpel_pixels_func avg_pixels_tab[4][4]; |
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/**
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* Halfpel motion compensation with no rounding (a+b)>>1. |
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* this is an array[2][4] of motion compensation functions for 2 |
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* horizontal blocksizes (8,16) and the 4 halfpel positions<br> |
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* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] |
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* @param block destination where the result is stored |
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* @param pixels source |
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* @param line_size number of bytes in a horizontal line of block |
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* @param h height |
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*/ |
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hpel_pixels_func put_no_rnd_pixels_tab[2][4]; |
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/**
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* Halfpel motion compensation with no rounding (a+b)>>1. |
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* this is an array[4] of motion compensation functions for 1 |
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* horizontal blocksize (16) and the 4 halfpel positions<br> |
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* *pixels_tab[0][ xhalfpel + 2*yhalfpel ] |
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* @param block destination into which the result is averaged (a+b)>>1 |
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* @param pixels source |
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* @param line_size number of bytes in a horizontal line of block |
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* @param h height |
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*/ |
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hpel_pixels_func avg_no_rnd_pixels_tab[4]; |
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} HpelDSPContext; |
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void ff_hpeldsp_init(HpelDSPContext* p, int flags); |
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void ff_hpeldsp_init_alpha(HpelDSPContext* c, int flags); |
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void ff_hpeldsp_init_arm(HpelDSPContext* c, int flags); |
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void ff_hpeldsp_init_bfin(HpelDSPContext* c, int flags); |
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void ff_hpeldsp_init_x86(HpelDSPContext* c, int flags); |
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void ff_hpeldsp_init_ppc(HpelDSPContext* c, int flags); |
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void ff_hpeldsp_init_sh4(HpelDSPContext* c, int flags); |
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void ff_hpeldsp_init_vis(HpelDSPContext* c, int flags); |
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#endif /* AVCODEC_HPELDSP_H */ |
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@ -0,0 +1,254 @@ |
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/*
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* Half-pel DSP functions. |
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* Copyright (c) 2000, 2001 Fabrice Bellard |
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/**
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* @file |
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* Half-pel DSP functions. |
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*/ |
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#include "bit_depth_template.c" |
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#include "hpel_template.c" |
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#define PIXOP2(OPNAME, OP) \ |
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static inline void FUNC(OPNAME ## _no_rnd_pixels8_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
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int src_stride1, int src_stride2, int h){\
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int i;\
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for(i=0; i<h; i++){\
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pixel4 a,b;\
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a= AV_RN4P(&src1[i*src_stride1 ]);\
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b= AV_RN4P(&src2[i*src_stride2 ]);\
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OP(*((pixel4*)&dst[i*dst_stride ]), no_rnd_avg_pixel4(a, b));\
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a= AV_RN4P(&src1[i*src_stride1+4*sizeof(pixel)]);\
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b= AV_RN4P(&src2[i*src_stride2+4*sizeof(pixel)]);\
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OP(*((pixel4*)&dst[i*dst_stride+4*sizeof(pixel)]), no_rnd_avg_pixel4(a, b));\
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}\
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}\
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\
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static inline void FUNCC(OPNAME ## _no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _no_rnd_pixels8_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels8_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels8_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _no_rnd_pixels8_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels8_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels4_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels4_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels4_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels4_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels2_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels2_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels2_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels2_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels2_xy2)(uint8_t *_block, const uint8_t *_pixels, ptrdiff_t line_size, int h)\
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{\
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int i, a0, b0, a1, b1;\
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pixel *block = (pixel*)_block;\
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const pixel *pixels = (const pixel*)_pixels;\
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line_size >>= sizeof(pixel)-1;\
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a0= pixels[0];\
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b0= pixels[1] + 2;\
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a0 += b0;\
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b0 += pixels[2];\
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\
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pixels+=line_size;\
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for(i=0; i<h; i+=2){\
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a1= pixels[0];\
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b1= pixels[1];\
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a1 += b1;\
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b1 += pixels[2];\
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\
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block[0]= (a1+a0)>>2; /* FIXME non put */\
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block[1]= (b1+b0)>>2;\
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\
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pixels+=line_size;\
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block +=line_size;\
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\
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a0= pixels[0];\
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b0= pixels[1] + 2;\
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a0 += b0;\
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b0 += pixels[2];\
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\
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block[0]= (a1+a0)>>2;\
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block[1]= (b1+b0)>>2;\
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pixels+=line_size;\
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block +=line_size;\
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}\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels4_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
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{\
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/* FIXME HIGH BIT DEPTH */\
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int i;\
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const uint32_t a= AV_RN32(pixels );\
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const uint32_t b= AV_RN32(pixels+1);\
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uint32_t l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x02020202UL;\
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uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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uint32_t l1,h1;\
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\
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pixels+=line_size;\
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for(i=0; i<h; i+=2){\
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uint32_t a= AV_RN32(pixels );\
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uint32_t b= AV_RN32(pixels+1);\
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l1= (a&0x03030303UL)\
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+ (b&0x03030303UL);\
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h1= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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a= AV_RN32(pixels );\
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b= AV_RN32(pixels+1);\
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l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x02020202UL;\
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h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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}\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
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{\
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/* FIXME HIGH BIT DEPTH */\
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int j;\
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for(j=0; j<2; j++){\
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int i;\
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const uint32_t a= AV_RN32(pixels );\
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const uint32_t b= AV_RN32(pixels+1);\
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uint32_t l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x02020202UL;\
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uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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uint32_t l1,h1;\
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\
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pixels+=line_size;\
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for(i=0; i<h; i+=2){\
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uint32_t a= AV_RN32(pixels );\
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uint32_t b= AV_RN32(pixels+1);\
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l1= (a&0x03030303UL)\
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+ (b&0x03030303UL);\
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h1= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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a= AV_RN32(pixels );\
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b= AV_RN32(pixels+1);\
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l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x02020202UL;\
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h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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}\
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pixels+=4-line_size*(h+1);\
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block +=4-line_size*h;\
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}\
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}\
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\
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static inline void FUNCC(OPNAME ## _no_rnd_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
|
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{\
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/* FIXME HIGH BIT DEPTH */\
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int j;\
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for(j=0; j<2; j++){\
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int i;\
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const uint32_t a= AV_RN32(pixels );\
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const uint32_t b= AV_RN32(pixels+1);\
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uint32_t l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x01010101UL;\
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uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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uint32_t l1,h1;\
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\
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pixels+=line_size;\
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for(i=0; i<h; i+=2){\
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uint32_t a= AV_RN32(pixels );\
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uint32_t b= AV_RN32(pixels+1);\
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l1= (a&0x03030303UL)\
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+ (b&0x03030303UL);\
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h1= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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a= AV_RN32(pixels );\
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b= AV_RN32(pixels+1);\
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l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x01010101UL;\
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||||
h0= ((a&0xFCFCFCFCUL)>>2)\
|
||||
+ ((b&0xFCFCFCFCUL)>>2);\
|
||||
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
|
||||
pixels+=line_size;\
|
||||
block +=line_size;\
|
||||
}\
|
||||
pixels+=4-line_size*(h+1);\
|
||||
block +=4-line_size*h;\
|
||||
}\
|
||||
}\
|
||||
\
|
||||
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_x2) , FUNCC(OPNAME ## _pixels8_x2) , 8*sizeof(pixel))\
|
||||
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_y2) , FUNCC(OPNAME ## _pixels8_y2) , 8*sizeof(pixel))\
|
||||
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_xy2), FUNCC(OPNAME ## _pixels8_xy2), 8*sizeof(pixel))\
|
||||
av_unused CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16) , FUNCC(OPNAME ## _pixels8) , 8*sizeof(pixel))\
|
||||
CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_x2) , FUNCC(OPNAME ## _no_rnd_pixels8_x2) , 8*sizeof(pixel))\
|
||||
CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_y2) , FUNCC(OPNAME ## _no_rnd_pixels8_y2) , 8*sizeof(pixel))\
|
||||
CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_xy2), FUNCC(OPNAME ## _no_rnd_pixels8_xy2), 8*sizeof(pixel))\
|
||||
|
||||
#define op_avg(a, b) a = rnd_avg_pixel4(a, b) |
||||
#define op_put(a, b) a = b |
||||
#if BIT_DEPTH == 8 |
||||
#define put_no_rnd_pixels8_8_c put_pixels8_8_c |
||||
PIXOP2(avg, op_avg) |
||||
PIXOP2(put, op_put) |
||||
#endif |
||||
#undef op_avg |
||||
#undef op_put |
||||
Loading…
Reference in new issue